CN103739100A - Scoop waterwheel water treatment device - Google Patents
Scoop waterwheel water treatment device Download PDFInfo
- Publication number
- CN103739100A CN103739100A CN201410031541.0A CN201410031541A CN103739100A CN 103739100 A CN103739100 A CN 103739100A CN 201410031541 A CN201410031541 A CN 201410031541A CN 103739100 A CN103739100 A CN 103739100A
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- filler
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- ring
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- drop chute
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Biological Treatment Of Waste Water (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention discloses a scoop waterwheel water treatment device which comprises a drop chute, a water collecting tank, water striking baffles, a rotating shaft, water drums, filler cages and turntables, wherein the rotating shaft is supported on a bracket I arranged at two ends of the rotating shaft; two turntables parallel to each other are arranged on the rotating shaft; multiple filler cages are arranged between the two turntables; the filler cages are filled with fillers used for treating the sewage; multiple water drums are uniformly distributed on the two turntables; the axes of the water drums are inclined relative to an axis of the rotating shaft; the length direction of the water collecting tank is perpendicular to the axis of the rotating shaft; a notch of the water collecting tank corresponds to a water outlet of each water drum; a water outlet of the water collecting tank corresponds to a notch of the drop chute; multiple water striking baffles are uniformly distributed on the two turntables; a water outlet of the drop chute corresponds to the plates surface of each water striking baffle rotating to the lower part of the drop chute. A scoop waterwheel technology is coupled with a biological turntable technology, and the filler cages are filled with the filler particles, so that reoxygenation by water body and microbe growth in the biological turntable technology are intensified, and a water treatment effect is enhanced.
Description
Technical field
The present invention relates to the water technology that utilizes cylinder driving skills art and blodisc technology to be coupled, relate in particular to a kind of car water treatment device.
Background technology
Blodisc is on transverse axis, to wear disc, has certain distance between disc, attached microbial in card, and by the continuous transmission of disc, on disc, microorganism carries out the device of sewage purification.Blodisc has that running management is convenient, anti impulsion load ability strong, noiselessness, muddy water are easy to the advantages such as separated.It is used to process sanitary sewage, dyeing waste water, dyeing and finishing wastewater, phenolic wastewater, leather-making waste water, oily(waste)water, malting effluent, coke-oven waste water, paper waste, ammonia nitrogen waste water etc.
Cylinder car is a kind of in waterwheel, is a kind of irrigation farm implements.Cylinder car owner will be comprised of four parts such as thick bamboo tube, support, tank and water wheels frameworks.Cylinder car utilizes the polylith plank on water impact water wheels, and the stressed drive cylinder of plank car rotates, and thick bamboo tube absorbs water again and again, drops in cylinder car rotation process, and drop flow to farmland by tank and irrigates.Cylinder car have material uncomplicated, simple in structure, easy to make, without advantages such as power consumptions.
Granted publication number is CN 201006845Y, and denomination of invention is the Chinese utility model patent of " a kind of blodisc ", and this blodisc gushes in the larger river of flow velocity and can, completely by water-driven, gush can drive by motor in the little river of flow velocity.Number of patent application is 90105136.5, and denomination of invention is the patent of invention of " multi-stage sewage disposal with biological rotating disks ", take sewage as power wheel drive blodisc.Above-mentioned blodisc technology has been drawn the characteristic that cylinder car utilizes hydraulic action to rotate, but cylinder car has the characteristic of water suction-drop, when blodisc technical finesse waste water, is not embodied, and it has reduced the landscape function of cylinder car.According to the inventors knowledge, in open source literature, also do not report and utilize hydraulic action to drive dial rotation, utilized cylinder car water suction-drop strengthening water reoxygenation, and the blodisc technology of simultaneously utilizing cylinder car drop strengthening to rotate.
Summary of the invention
For above shortcomings in above-mentioned prior art, present situation in conjunction with existing blodisc technology and waterwheel technology coupling development, the invention provides a kind of car water treatment device, to strengthen water reoxygenation by drop, to utilize hydraulic action to drive saving energy consumption, biological rotating cage biomembranous renewal that comes off of rotation accelerated deterioration under cylinder car rotates, improve the water treatment capacity of blodisc.
In order to solve the problems of the technologies described above, the present invention has adopted following technical scheme:
A tin car water treatment device, comprises drop chute, water leg, the baffle plate of striking waters, rotating shaft, water drum, filler cage and rotating disk; In the support I that described rotating shaft support arranges at its two ends and be rotatably assorted with support I, two rotating disks that are parallel to each other are set in described rotating shaft, filler cage a plurality of and that phase countershaft is symmetrical is set between two rotating disks, in filler cage, fills the filler that sewage is processed; Uniform on two rotating disks the water drum that rotating disk outside is stretched out at a plurality of two ends is set, the axis of the axis phase countershaft of described water drum tilts; Described water leg is supported in the support II of its two ends setting, the length direction of water leg is vertical with the axis of rotating shaft, the notch of described water leg is corresponding with the water outlet direction of water drum, described drop chute is supported in the support III of its two ends setting, and the water outlet of water leg is corresponding with the notch of drop chute; Uniform on two rotating disks a plurality of baffle plates of striking waters are set, the water outlet of described drop chute is corresponding with the plate face of the baffle plate of striking waters that turns to drop chute below.
As a preferred embodiment of the present invention, one or more in ZH30 type seed activity carbon filler, cocos active carbon filler, suspension ball filler, Pall ring filler, Haier's ring filler, polyhedron empty ball filler, filler for flower ring, modification biological floating stuffing of described filler mix.
As another kind of preferred version of the present invention, described filler is by ZH30 type seed activity carbon filler, cocos active carbon filler, suspension ball filler, Pall ring filler, Haier's ring filler, polyhedron empty ball filler, filler for flower ring and modification biological floating stuffing mix and form, described ZH30 type seed activity carbon filler, cocos active carbon filler, suspension ball filler, Pall ring filler, Haier's ring filler, polyhedron empty ball filler, filler for flower ring, the ratio of the volume of modification biological floating stuffing is: 0.1～0.8:0.1～0.8:0.1～0.8:0.1～0.8:0.1～0.8:0.1～0.8:0.1～0.8:0.1～0.8, the diameter of described ZH30 type seed activity carbon filler is 3 ~ 6mm, length 4 ~ 10mm, cocos active carbon filler granularity is 4～8 orders, the particle diameter of suspension ball filler is 80mm, the particle diameter of Pall ring filler is 25 ~ 76mm, the particle diameter of Haier's ring filler is 50mm, the particle diameter of polyhedron empty ball filler is 25 ~ 76mm, and the particle diameter of filler for flower ring is 25 ~ 76mm, and the diameter of modification biological floating stuffing is 10 ~ 25mm, high 10 ~ 20mm.
Advantage of the present invention: the present invention adopts a driving skills art and blodisc technology to be coupled, and in filler cage filler particles filler, strengthened blodisc technology water reoxygenation and microbial growth, strengthened water treatment effect.
Accompanying drawing explanation
Fig. 1 is the front view of a kind of car water treatment device;
Fig. 2 is the side-view of a kind of car water treatment device;
Fig. 3 is the vertical view of a kind of car water treatment device.
In accompanying drawing: 1-support III; 2-drop chute; 3-water leg; 4-the baffle plate of striking waters; 5-rotating shaft; 6-water drum; 7-filler cage; 8-rotating disk; 9-support II; 10-support I.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
As shown in Figure 1, 2, 3, a kind of car water treatment device, comprises drop chute 2, water leg 3, the baffle plate 4 of striking waters, rotating shaft 5, water drum 6, filler cage 7 and rotating disk 8.In the support I 10 that rotating shaft 5 arranges at its two ends by bearings and be rotatably assorted with support I 10, rotating shaft 5 is made by timber.Two rotating disks that are parallel to each other 8 are set in rotating shaft 5, rotating disk 8 is mainly made by wood materials, filler cage 7 a plurality of and that phase countershaft 5 is symmetrical is set between two rotating disks 8, filler cage 7 is shaped as right cylinder, the ectosome of filler cage 7 is made by Stainless Steel Cloth, and the central shaft of filler cage 7 is stainless steel circle bar, and stainless steel circle bar is connected with the spot contact bearing being embedded on rotating disk 8, form the rotating shaft of filler cage 7, the filler that the interior filling of filler cage 7 is processed sewage.Uniform on two rotating disks 8 water drum 6 that rotating disk 8 outsides are stretched out at a plurality of two ends is set, the axis of the axis phase countershaft 5 of water drum 6 tilts, and water drum 6 is made by thick bamboo tube.Water leg 3 is supported in the support II 9 of its two ends setting, the length direction of water leg 3 is vertical with the axis of rotating shaft 5, the notch of water leg 3 is corresponding with the water outlet direction of water drum 6, drop chute 2 is supported in the support III 1 of its two ends setting, the water outlet of water leg 3 is corresponding with the notch of drop chute 2, drop chute 2 and water leg 3 can be made by materials such as imperial bamboo, plastics tubing, planks, can preferentially use under optimum conditions large diameter of a cross-section of a tree trunk 1.3 meters above the ground dragon bamboo, economy system cost of manufacture.Uniform on two rotating disks 8 a plurality of baffle plates 4 of striking waters are set, the baffle plate 4 of striking waters is mainly made by wood materials or plastics.The water outlet of drop chute 2 is corresponding with the plate face of the baffle plate 4 of striking waters that turns to drop chute 2 belows.
This device is by biological rotating cage technology and the coupling of waterwheel technology.Filler one or more mixing in ZH30 type seed activity carbon filler, cocos active carbon filler, suspension ball filler, Pall ring filler, Haier's ring filler, polyhedron empty ball filler, filler for flower ring, modification biological floating stuffing form; the microbial film of filling surface growth alternately contacts with air and processed water body, realizes the dirty water decontamination handles.Its principle of work is: at current and drop, strike waters under the effect of baffle plate 4, a cylinder car rotates counterclockwise along water (flow) direction, and water drum 6 is realized replacing of water suction and drop in cylinder car rotation process, and processed water is realized reoxygenation in stirring and falling process; Filler cage 7 is realized rotation in cylinder car rotation process, and the microbial film that the interior filling surface of filler cage 7 is aging obtains accelerating to come off renewal in the rotation process of cylinder car and filler cage 7, improves microorganism active.Filling surface microbial film be from outside to inside one by aerobic to the anoxic microenvironment of anaerobism even.In microbial film, under the effect of microorganism, pollutent is removed, thereby realizes water body purification.
Filler is mixed and is formed by ZH30 type seed activity carbon filler, cocos active carbon filler, suspension ball filler, Pall ring filler, Haier's ring filler, polyhedron empty ball filler, filler for flower ring and modification biological floating stuffing, and the ratio of the volume of ZH30 type seed activity carbon filler, cocos active carbon filler, suspension ball filler, Pall ring filler, Haier's ring filler, polyhedron empty ball filler, filler for flower ring, modification biological floating stuffing is 0.1～0.8:0.1～0.8:0.1～0.8:0.1～0.8:0.1～0.8:0.1～0.8:0.1～0.8:0.1～0.8; The diameter of ZH30 type seed activity carbon filler is 3 ~ 6mm, length 4 ~ 10mm; cocos active carbon filler granularity is 4～8 orders; the particle diameter of suspension ball filler is 80mm; the particle diameter of Pall ring filler is 25 ~ 76mm; the particle diameter of Haier's ring filler is 50mm; the particle diameter of polyhedron empty ball filler is 25 ~ 76mm, and the particle diameter of filler for flower ring is 25 ~ 76mm, and the diameter of modification biological floating stuffing is 10 ~ 25mm, high 10 ~ 20mm.
Embodiment 1
The ratio of the volume of ZH30 type seed activity carbon filler, cocos active carbon filler, suspension ball filler, Pall ring filler, Haier's ring filler, polyhedron empty ball filler, filler for flower ring, modification biological floating stuffing is: 0.8:0.4:0.1:0.8:0.1:0.3:0.1:0.6; The diameter of ZH30 type seed activity carbon filler is 3 ~ 6mm, length 4 ~ 10mm; cocos active carbon filler granularity is 4～8 orders; the particle diameter of suspension ball filler is 80mm; the particle diameter of Pall ring filler is 25mm; the particle diameter of Haier's ring filler is 50mm; the particle diameter of polyhedron empty ball filler is 25mm, and the particle diameter of filler for flower ring is 25mm, and the diameter of modification biological floating stuffing is 10mm, high 10mm.Wastewater treatment efficiency: COD, ammonia nitrogen removal frank are all greater than 50%.
The ratio of the volume of ZH30 type seed activity carbon filler, cocos active carbon filler, suspension ball filler, Pall ring filler, Haier's ring filler, polyhedron empty ball filler, filler for flower ring, modification biological floating stuffing is: 0.1:0.1:0.1:0.2:0.8:0.3:0.4:0.8; The diameter of ZH30 type seed activity carbon filler is 3 ~ 6mm, length 4 ~ 10mm; cocos active carbon filler granularity is 4～8 orders; the particle diameter of suspension ball filler is 80mm; the particle diameter of Pall ring filler is 35mm; the particle diameter of Haier's ring filler is 50mm; the particle diameter of polyhedron empty ball filler is 38mm, and the particle diameter of filler for flower ring is 51mm, and the diameter of modification biological floating stuffing is 15mm, high 15mm.Wastewater treatment efficiency: COD, ammonia nitrogen removal frank are all greater than 50%.
The ratio of the volume of ZH30 type seed activity carbon filler, cocos active carbon filler, suspension ball filler, Pall ring filler, Haier's ring filler, polyhedron empty ball filler, filler for flower ring, modification biological floating stuffing is: 0.6:0.8:0.8:0.1:0.4:0.8:0.8:0.3; The diameter of ZH30 type seed activity carbon filler is 3 ~ 6mm, length 4 ~ 10mm; cocos active carbon filler granularity is 4～8 orders; the particle diameter of suspension ball filler is 80mm; the particle diameter of Pall ring filler is 76mm; the particle diameter of Haier's ring filler is 50mm; the particle diameter of polyhedron empty ball filler is 76mm, and the particle diameter of filler for flower ring is 76mm, and the diameter of modification biological floating stuffing is 25mm, high 20mm.Wastewater treatment efficiency: COD, ammonia nitrogen removal frank are all greater than 50%.
Finally explanation is, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (3)
1. a cylinder car water treatment device, is characterized in that: comprise drop chute (2), water leg (3), the baffle plate of striking waters (4), rotating shaft (5), water drum (6), filler cage (7) and rotating disk (8); The support I (10) that described rotating shaft (5) is supported on its two ends setting goes up and is rotatably assorted with support I (10), two rotating disks that are parallel to each other (8) are set in described rotating shaft (5), a plurality of and filler cage that phase countershaft (5) is symmetrical (7) is set between two rotating disks (8), in filler cage (7), fills the filler that sewage is processed; The upper uniform water drum (6) that rotating disk (8) outside is stretched out at a plurality of two ends that arranges of two rotating disks (8), the axis of the axis phase countershaft (5) of described water drum (6) tilts; Described water leg (3) is supported in the support II (9) of its two ends setting, the length direction of water leg (3) is vertical with the axis of rotating shaft (5), the notch of described water leg (3) is corresponding with the water outlet direction of water drum (6), described drop chute (2) is supported in the support III (1) of its two ends setting, and the water outlet of water leg (3) is corresponding with the notch of drop chute (2); The upper uniform a plurality of baffle plates of striking waters (4) that arrange of two rotating disks (8), the water outlet of described drop chute (2) is corresponding with the plate face of the baffle plate of striking waters (4) below turning to drop chute (2).
2. a kind of car water treatment device according to claim 1, is characterized in that: one or more in ZH30 type seed activity carbon filler, cocos active carbon filler, suspension ball filler, Pall ring filler, Haier's ring filler, polyhedron empty ball filler, filler for flower ring, modification biological floating stuffing of described filler mix.
3. a kind of car water treatment device according to claim 2, it is characterized in that: described filler is by ZH30 type seed activity carbon filler, cocos active carbon filler, suspension ball filler, Pall ring filler, Haier's ring filler, polyhedron empty ball filler, filler for flower ring and modification biological floating stuffing mix and form, described ZH30 type seed activity carbon filler, cocos active carbon filler, suspension ball filler, Pall ring filler, Haier's ring filler, polyhedron empty ball filler, filler for flower ring, the ratio of the volume of modification biological floating stuffing is: 0.1～0.8:0.1～0.8:0.1～0.8:0.1～0.8:0.1～0.8:0.1～0.8:0.1～0.8:0.1～0.8, the diameter of described ZH30 type seed activity carbon filler is 3 ~ 6mm, length 4 ~ 10mm, cocos active carbon filler granularity is 4～8 orders, the particle diameter of suspension ball filler is 80mm, the particle diameter of Pall ring filler is 25 ~ 76mm, the particle diameter of Haier's ring filler is 50mm, the particle diameter of polyhedron empty ball filler is 25 ~ 76mm, and the particle diameter of filler for flower ring is 25 ~ 76mm, and the diameter of modification biological floating stuffing is 10 ~ 25mm, high 10 ~ 20mm.
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| CN201410031541.0A CN103739100B (en) | 2014-01-23 | 2014-01-23 | Scoop waterwheel water treatment device |
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| CN201410031541.0A CN103739100B (en) | 2014-01-23 | 2014-01-23 | Scoop waterwheel water treatment device |
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| CN103739100A true CN103739100A (en) | 2014-04-23 |
| CN103739100B CN103739100B (en) | 2015-07-15 |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104671459A (en) * | 2015-01-26 | 2015-06-03 | 常州大学 | Biofilter bed capable of treating river contaminants |
| CN104891647A (en) * | 2015-06-22 | 2015-09-09 | 大连爱特流体控制有限公司 | Floating rolling type bio-membrane reactor |
| CN105753144A (en) * | 2016-04-12 | 2016-07-13 | 沈阳建筑大学 | Fixed filler circulating oxygen enrichment equipment and control method for treating river way water pollution |
| CN106348544A (en) * | 2016-11-04 | 2017-01-25 | 重庆市环境科学研究院 | Biological-ecological coupled black foul water body self-healing and oxygen restoration system |
| CN107047443A (en) * | 2017-05-02 | 2017-08-18 | 宁波市鄞州发辉机械科技有限公司 | A kind of groping for fish pond |
| CN108658382A (en) * | 2018-05-31 | 2018-10-16 | 北京东方园林环境股份有限公司 | A kind of city appearance water body ecological restoring method based on waterwheel combined system |
| CN109574239A (en) * | 2019-01-24 | 2019-04-05 | 兰州理工大学 | A kind of biological delaying basin integral type sponge system of novel waterwheel joint |
| CN110054229A (en) * | 2019-04-17 | 2019-07-26 | 重庆市机电设计研究院 | A kind of breeding wastewater dedicated treatment facility |
| CN111357709A (en) * | 2020-05-10 | 2020-07-03 | 谢甜甜 | Ecological oxygenation device is used in pond |
| CN111547836A (en) * | 2020-03-26 | 2020-08-18 | 河海大学 | Pedal type music leisure and rotary oxygen-enriched coupling purification system |
| CN111908595A (en) * | 2020-08-13 | 2020-11-10 | 重庆大学 | Combined type double-rotation mobile biological bed sewage treatment device and sewage treatment method |
| CN112960762A (en) * | 2021-01-25 | 2021-06-15 | 南京工业大学 | Biological rotating cage water purification system driven by gravity flow water power |
| CN113104958A (en) * | 2021-04-19 | 2021-07-13 | 深圳市冠升华实业发展有限公司 | Degradation treatment equipment for high-concentration wastewater reuse and treatment method thereof |
| CN113213576A (en) * | 2021-04-27 | 2021-08-06 | 哈尔滨工业大学 | Drum car type adsorption-photocatalytic degradation micro-plastic device applied to water area |
| CN113477634A (en) * | 2021-07-16 | 2021-10-08 | 江苏禹顺建设工程有限公司 | Dredging device for dredging of hydraulic engineering |
| CN113845981A (en) * | 2021-09-29 | 2021-12-28 | 江苏瑞高生物科技有限公司 | Acidizing profit purification economizer |
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Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104671459A (en) * | 2015-01-26 | 2015-06-03 | 常州大学 | Biofilter bed capable of treating river contaminants |
| CN104891647A (en) * | 2015-06-22 | 2015-09-09 | 大连爱特流体控制有限公司 | Floating rolling type bio-membrane reactor |
| CN105753144A (en) * | 2016-04-12 | 2016-07-13 | 沈阳建筑大学 | Fixed filler circulating oxygen enrichment equipment and control method for treating river way water pollution |
| CN106348544A (en) * | 2016-11-04 | 2017-01-25 | 重庆市环境科学研究院 | Biological-ecological coupled black foul water body self-healing and oxygen restoration system |
| CN107047443A (en) * | 2017-05-02 | 2017-08-18 | 宁波市鄞州发辉机械科技有限公司 | A kind of groping for fish pond |
| CN108658382A (en) * | 2018-05-31 | 2018-10-16 | 北京东方园林环境股份有限公司 | A kind of city appearance water body ecological restoring method based on waterwheel combined system |
| CN109574239A (en) * | 2019-01-24 | 2019-04-05 | 兰州理工大学 | A kind of biological delaying basin integral type sponge system of novel waterwheel joint |
| CN110054229A (en) * | 2019-04-17 | 2019-07-26 | 重庆市机电设计研究院 | A kind of breeding wastewater dedicated treatment facility |
| CN111547836B (en) * | 2020-03-26 | 2021-06-18 | 河海大学 | Pedal type music leisure and rotary oxygen-enriched coupling purification system |
| CN111547836A (en) * | 2020-03-26 | 2020-08-18 | 河海大学 | Pedal type music leisure and rotary oxygen-enriched coupling purification system |
| CN111357709A (en) * | 2020-05-10 | 2020-07-03 | 谢甜甜 | Ecological oxygenation device is used in pond |
| CN111357709B (en) * | 2020-05-10 | 2021-11-02 | 山东农利达生物科技有限公司 | Ecological oxygenation device is used in pond |
| CN111908595A (en) * | 2020-08-13 | 2020-11-10 | 重庆大学 | Combined type double-rotation mobile biological bed sewage treatment device and sewage treatment method |
| CN111908595B (en) * | 2020-08-13 | 2021-09-21 | 重庆大学 | Combined type double-rotation mobile biological bed sewage treatment device and sewage treatment method |
| CN112960762A (en) * | 2021-01-25 | 2021-06-15 | 南京工业大学 | Biological rotating cage water purification system driven by gravity flow water power |
| CN113104958A (en) * | 2021-04-19 | 2021-07-13 | 深圳市冠升华实业发展有限公司 | Degradation treatment equipment for high-concentration wastewater reuse and treatment method thereof |
| CN113213576A (en) * | 2021-04-27 | 2021-08-06 | 哈尔滨工业大学 | Drum car type adsorption-photocatalytic degradation micro-plastic device applied to water area |
| CN113477634A (en) * | 2021-07-16 | 2021-10-08 | 江苏禹顺建设工程有限公司 | Dredging device for dredging of hydraulic engineering |
| CN113477634B (en) * | 2021-07-16 | 2022-10-11 | 江苏禹顺建设工程有限公司 | Dredging device for dredging of hydraulic engineering |
| CN113845981A (en) * | 2021-09-29 | 2021-12-28 | 江苏瑞高生物科技有限公司 | Acidizing profit purification economizer |
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| Publication number | Publication date |
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| CN103739100B (en) | 2015-07-15 |
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